Warning, Service manual, Aintenance – Hypertherm Powermax900 Service Manual User Manual
Page 50
3-23
M
AINTENANCE
Service Manual
WARNING
SHOCK HAZARD: Do not attempt repairs on the power board or control
board. Do not in any way cut away or remove the protective conformal
coating from either board. To do so will risk a short between the AC input
circuit to the output circuit and may cause serious injury or death.
The power supply and PC boards are subjected to dielectric and insula-
tion resistance tests per applicable CSA and IEC standards for the safety
of the operator and service technicians.
Removal of the protective conformal coatings and other unauthorized
repairs to the PC boards will void the warranty.
If questions or problems arise during servicing, call the Hypertherm
Technical Services department at 1-800-643-9878.
Figure 3-15 Back Side of Power Board - Test Points
E1
E2
E3
E4
E5
E6
J1
1
6
E14 - YEL
E15 - BLK/WHT
E9
E7
E10
E12
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